WordPress 3 has brought with it lots of changes and improvements to the already wonderful system we are already familiar with. This lecture will review all the changes and explain the best way to utilize them and when. This is important information for any developer who doesn’t want to be left in the dust as WordPress keeps going forwards.

1. WordPress 3 and You Oren Yomtov 1

2. Google Reader 2

3. Stickers 3

4. Tattoos 4

5. WordPress Cars 5

6. Volkswagen = WordPress? 6 http://j.mp/aAhHMV

7. Fight the Fake Logo 7 http://j.mp/cFMrzT

8. View Source 8

9. 9

10. Your Own Username & Password 10

11. New Look (Well.. Kind of) 11

12. Kubrick is DEAD 12

13. Twenty Ten 13

14. Commented Code 14

15. Custom Header 15

16. Admin Page 16

17. Four constants must be defined define('HEADER_IMAGE', ‘%s/images/default_header.jpg'); define('HEADER_IMAGE_WIDTH', 775); define('HEADER_IMAGE_HEIGHT', 200); define('HEADER_TEXTCOLOR', 'ffffff'); 17

18. If you don't want to allow changing the header text color, add: define('NO_HEADER_TEXT', true ); Then change the first definition to: define('HEADER_TEXTCOLOR', ''); 18

19. Next you need to write two functions add_custom_image_header( ‘header_style’, ‘admin_header_style’ ) 19 http://j.mp/dcuRSv

20. Function 1 // gets included in the site header function header_style() { ?><style type="text/css"> #header { background: url(<?phpheader_image(); ?>); } </style><?php } 20

21. Function 2 // gets included in the admin header function admin_header_style() { ?><style type="text/css"> #headimg { width: <?php echo HEADER_IMAGE_WIDTH; ?>px; height: <?php echo HEADER_IMAGE_HEIGHT; ?>px; } </style><?php } 21

22. Default Headers 22

23. Default Headers 23 register_default_headers( array( 'berries' => array( 'url' => '%s/images/headers/berries.jpg', 'thumbnail_url' => '%s/images/headers/berries-thumbnail.jpg', /* translators: header image description */ 'description' => __( 'Berries', 'twentyten' ) ) ) );

24. Text Preview 24

25. Text Color 25

26. Custom Background 26

27. Admin Page 27

28. Custom Background Code add_custom_background(); 28 http://j.mp/ b9OJy0

29. Shortlinks 29

30. Shortlinks Code 30 the_shortlink( $text, $title, $before, $after ); wp_get_shortlink( 123 );

31. 31

32. Menus 32

33. Menus 33

34. Menus 34

35. Menus 35

36. Menus 36

37. Menus Code 37 register_nav_menus( array( 'primary' => __( 'Primary Navigation', 'twentyten' ), ) ); http://j.mp/abx5hV

38. Menus Code 38 wp_nav_menu( array( 'container_class' => 'menu-header', 'theme_location' => 'primary‘ ) ); http://j.mp/97n79t

39. Menus Code 39 http://j.mp/97n79t

40. Custom Post Types and Taxonomies 40

41. Default Types Post Page Attachment Revision Menu 41 http://j.mp/d1nqEJ

42. The Ugly Way register_post_type('podcasts', array( 'label' => 'Podcasts', 'public' => true, 'show_ui' => true, 'capability_type' => 'post', 'hierarchical' => false, 'rewrite' => array('slug' => ‘podcasts'), 'query_var' => true, 'supports' => array('title','editor',) ) ); 42

43. Custom Post Type UI 43

44. Custom Columns 44

45. Custom Columns 45

46. Custom Columns add_action("manage_posts_custom_column", "my_custom_columns"); add_filter("manage_edit-podcasts_columns", "my_podcasts_columns"); 46

47. my_podcasts_columns function my_podcasts_columns($columns) { $columns = array( "cb" => "<input type=quot;checkboxquot; />", "title" => "Podcast Title", "description" => "Description", "speakers" => "Speakers", "comments" => 'Comments' ); return $columns; } 47

48. my_custom_columns function my_custom_columns($column) { global $post; if ("description" == $column) echo $post->post_content; elseif ("speakers" == $column) the_terms($post->ID, 'speakers'); } 48

49. Displaying Custom Post Types query_posts(‘post_type=podcasts’); 49 http://j.mp/9S1a6z

50. Displaying Custom Taxonomies the_terms($post->ID, 'speakers'); get_the_terms($post->ID, 'speakers'); 50 http://j.mp/9S1a6z http://j.mp/9Dft6I

51. Multisite Yup, back to the browser man. Oh, and open an FTP client. 51

52. This is The Last Slide Thank you for listening! You should look me up on Linkedin, Facebook & Twitter (@orenyomtov) You may soon download this presentation from orenyomtov.com 52